いつのまにかネットワークが落ちてる：びぼうろぐ：So-netブログ

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ZABBIXでイーサネットのリンクを監視..｜HDL2-G にntpをいれるとネットワ.. ブログトップ

いつのまにかネットワークが落ちてる　[Server hardware] [編集]

Zabbixを入れているサーバがいつの間にか止まっている。

よくよく見てみると、サーバが落ちているわけではなく、ネットワークだけが

停止している模様。

May 25 14:46:28 ws kernel: [39037.980020] ------------[ cut here ]------------

May 25 14:46:28 ws kernel: [39037.980039] WARNING: at /build/buildd/linux-2.6.32/net/sched/sch_generic.c:261 dev_watchdog+0x262/0x270()

May 25 14:46:28 ws kernel: [39037.980046] Hardware name: To Be Filled By O.E.M.

May 25 14:46:28 ws kernel: [39037.980051] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out

May 25 14:46:28 ws kernel: [39037.980056] Modules linked in: snd_hda_codec_nvhdmi snd_hda_codec_realtek fbcon tileblit font bitblit softcursor vga16fb vgastate snd_hda_intel snd_hda_codec snd_hwdep nouveau snd_pcm snd_timer ttm snd soundcore drm_kms_helper snd_page_alloc drm i2c_nforce2 i2c_algo_bit psmouse shpchp serio_raw lp parport usbhid hid usb_storage r8169 mii ahci

May 25 14:46:28 ws kernel: [39037.980128] Pid: 0, comm: swapper Not tainted 2.6.32-21-server #32-Ubuntu

May 25 14:46:28 ws kernel: [39037.980134] Call Trace:

May 25 14:46:28 ws kernel: [39037.980139] <IRQ> [<ffffffff81066d1b>] warn_slowpath_common+0x7b/0xc0

May 25 14:46:28 ws kernel: [39037.980157] [<ffffffff81066dc1>] warn_slowpath_fmt+0x41/0x50

May 25 14:46:28 ws kernel: [39037.980167] [<ffffffff81489e42>] dev_watchdog+0x262/0x270

May 25 14:46:28 ws kernel: [39037.980177] [<ffffffff8101a0e3>] ? native_sched_clock+0x13/0x60

May 25 14:46:28 ws kernel: [39037.980187] [<ffffffff8108aeb5>] ? sched_clock_local+0x25/0x90

May 25 14:46:28 ws kernel: [39037.980196] [<ffffffff81489be0>] ? dev_watchdog+0x0/0x270

May 25 14:46:28 ws kernel: [39037.980205] [<ffffffff81077447>] run_timer_softirq+0x197/0x340

May 25 14:46:28 ws kernel: [39037.980215] [<ffffffff810944e0>] ? tick_sched_timer+0x0/0xc0

May 25 14:46:28 ws kernel: [39037.980224] [<ffffffff8108f193>] ? ktime_get+0x63/0xe0

May 25 14:46:28 ws kernel: [39037.980233] [<ffffffff8106e257>] __do_softirq+0xb7/0x1e0

May 25 14:46:28 ws kernel: [39037.980242] [<ffffffff810940ca>] ? tick_program_event+0x2a/0x30

May 25 14:46:28 ws kernel: [39037.980250] [<ffffffff810142ec>] call_softirq+0x1c/0x30

May 25 14:46:28 ws kernel: [39037.980258] [<ffffffff81015cb5>] do_softirq+0x65/0xa0

May 25 14:46:28 ws kernel: [39037.980266] [<ffffffff8106e0f5>] irq_exit+0x85/0x90

May 25 14:46:28 ws kernel: [39037.980276] [<ffffffff8155c701>] smp_apic_timer_interrupt+0x71/0x9c

May 25 14:46:28 ws kernel: [39037.980284] [<ffffffff81013cb3>] apic_timer_interrupt+0x13/0x20

May 25 14:46:28 ws kernel: [39037.980289] <EOI> [<ffffffff8101b551>] ? mwait_idle+0x71/0xd0

May 25 14:46:28 ws kernel: [39037.980305] [<ffffffff8155a2ea>] ? atomic_notifier_call_chain+0x1a/0x20

May 25 14:46:28 ws kernel: [39037.980315] [<ffffffff81011e63>] ? cpu_idle+0xb3/0x110

May 25 14:46:28 ws kernel: [39037.980324] [<ffffffff8154f580>] ? start_secondary+0xa8/0xaa

May 25 14:46:28 ws kernel: [39037.980331] ---[ end trace 3d197f75c8ec0014 ]---

May 25 14:46:28 ws kernel: [39038.032853] r8169: eth0: link down

syslog的には、だいたいこんな具合で、その後落ちています。

そもそも、

$ lspci

04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)

と、Realtekの8168Bなのに、8169がロードされています。

これが原因かどうかわかりませんが、６時間くらいで定期的に落ちてしまいます。

Realtekのサイトから8168B用のドライバをダウンロードして、これを適用します。

が、本家からダウンロードできないので、こちらからダウンロードしました↓

http://www.opendrivers.com/company/2358/realtek-free-driver-download.html

ダウンロードしたファイルを展開して、

# autorun.sh

で、ドライバのインストールは終わりです。

コンパイルできる環境が入っていないと失敗するので、事前に整えて。

このあと、

# rmmod r8169

# rmmod mii

# modprobe r8168

# depmod -a

# update-initramfs -u

# echo "blacklist r8169" >> /etc/modprobe.d/blacklist.conf

ちなみに、

# depmod -a

# update-initramfs -u

このあたりを忘れると、lsmodしても亡霊のように r8169 が現れます。

# lspci -v

04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)

Subsystem: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller

Flags: bus master, fast devsel, latency 0, IRQ 30

I/O ports at e800 [size=256]

Memory at febff000 (64-bit, non-prefetchable) [size=4K]

Memory at f9ff0000 (64-bit, prefetchable) [size=64K]

Expansion ROM at febc0000 [disabled] [size=128K]

Capabilities: <access denied>

Kernel driver in use: r8168

Kernel modules: r8168

大丈夫ですね。

これでネットワークが落ちないかしらばらく様子をみます〜

2010-05-26 07:44 nice!(0) コメント(40) トラックバック(0)
共通テーマ：パソコン・インターネット

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